O-chan’s Oekaki Logic: Not as logical as advertised

[I did not know when I wrote this that Sun Corporation, Sunsoft’s parent company, currently (correct at the time of writing) owns 42.5% of Cellebrite, who have an active working relationship with ICE. Now I do, and so do you.] I’m always happy to chip away at a screen-sized grid, untold hours passing by as I create cute pixel art images using nothing but helpful numbers and logic, so picking up Sunsoft’s Hebereke-themed Saturn effort was almost reflexive. Yes, of course I want a pink pawprint-covered CD full of O-chan’s Oekaki Logic—who wouldn’t? The story mode is the main event here, the titular cat-like O-chan pootling about an island and engaging in nonogram battles that somehow manage to make even less sense than a blob-stacking Puyo Puyo match. These “fights” are unusually lengthy, with each opponent offering ten increasingly difficult challenges to overcome and… not actually being a fight. The other character just sits on the screen failing to interfere in any way, or do much of…